The entire invasion force gathers together and charts out the plan of attack they will use during the invasion. With help from technology designed by Sokka and built by the Mechanist, the force makes it to the island and the battle begins. Meanwhile, Aang travels to the Capital Building in order to face Firelord Ozai, but finds a surprise when he arrives.

Recap

Due: Whoo-whee, this place ain’t nothing like a swamp. What’d you reckon that is, Tho? Some sort of exploding Fire Nation exploding trap that would eat ya?Tho: It’s just a rock, Due. Due: Well, I’ll be.

Katara: Oh no, Sokka do you think the fog will delay the invasion?Sokka: No, that is the invasion!

Zuko: I know I've made some bad choices, but today, I'm going to set things right.

Huu: Pants are an illusion, and so is death.

Toph: So what's your strategy? Gonna get your glow on and hit him with a little avatar state action?Aang: I can't. When Azula shot me with lightning, my seventh chakra was locked, cutting off my connection to all the cosmic energy in the universe.Toph: You know what I just heard? Blah blah, spiritual mumbo-jumbo, blah blah, something about space.

Toph: You guys here for a rematch?The Boulder: Negatory, The Boulder and the Hippo no longer fight for other's entertainment, now we fight for our kingdom!Toph: Sweet.